Samsung F2380: brightness-controlled transformator-whine. Only silent if set to 100 brightness, worst at about 30 (loudest mid-freq pitch) to zero (changes to lower freq). Sound is not affected by displayed content or used input.Still, I wouldn't notice it in an office, only in my too-damn-quiet room at night.

BenQ BL2400PT, completely silent across its whole range of brightness. A real treat to my ears and eyes, except maybe for the semi glossy surface. I can warmly recommend it for its value (PVA panel, decent response time, pivot) as long as you can control the lighting behind you.Edit: Listened closely to two monitors, indentical behavior.

Complete silence at 100% brightness, can't even hear anything when holding ear close to backside.

BUT...lower the brightness even 1 point and the humming starts...getting louder, the lower the brightness, which immensely annoys me because the monitor uses 40 watt at 100% brightness, but only 17 Watt at 0%, which is just as nice to look at when you fiddle with windows display settings!No other setting than brightness has any effect on the humming or the power comsumption.

I've had 3 of these for a few years. All 3 now whine when on. Brightness setting 31 - Contrast 29.One has been sold. I'm using the next one (now a problem). Wife using the third one. (3m away - not audible - monitor that is).

Thinking of getting a BenQ BLxxxxPT based on above recommendations. Is the 22in version OK ? (BL2201PT).I don't like the wires sticking out of the side - options ?

Samsung SyncMaster 2693HM, silent (inaudible anyway) at 100% brightness but makes some noise when not. Bright and needs turning down in graphics driver.Find the 1920x1200 on 25.5" screen very nice to use

Samsung SyncMaster 210T (very old) First one I got was intolerable irrespective of brightness. Got a second, both eBay specials, and it's inaudible, as old screen 100% brightness isn't that bright.The 1600x1200 on 21.5" screen fits well next to the above Seb

Samsung SM2693HM - 27,5" TN (25.5" viewable), 1920*1200, quiet. Additional info: not a single problem if not for the default color profiles that need to be replaced and the typical issues of TN matrix with purple and similar color.

Samsung SyncMaster 2693HM, silent (inaudible anyway) at 100% brightness but makes some noise when not. Bright and needs turning down in graphics driver.Find the 1920x1200 on 25.5" screen very nice to use

Oh i'm not the only one with this monitor Since the rest of my gaming system and room are noisy, I didnt notice this brightness thing. Anyway, no buzz with any setting i tried (i'm sensitive to THOSE).The resolution is a wonder, but it has been abandoned and we'll be forced to go 1080p or get a bigger size

Dell 2001fp Silent. 9 years old. Separate power supply brick.Dell 2209WA Silent. 2 years old.Dell 2005FPW Very noticeable hum. Sounds like the flourescent above my laundry. 4 years old. Cranking up brightness to max does not help. Cranking down to 60% helps a little. Have two of these, both with same problem.Viewsonic VP2365WB Subtle hum. < 1 year old. Hum goes away at brightness 100%, but too tiring for my eyes even after trick of cranking down brightness in the GPU settings.

Dell U2711 - rev A07 made in China on 220volts in Ireland: Transformer hum noise when brightness below 60% otherwise silent. This is annoying as I have a completely silent laptop (SSD + no fan) and a very quiet environment. I guess in many environments the hum would not be noticeable.

Others have stated this display to be silent - so it may be luck of the draw.

I also previously had 2 Dell 2407WFP's which had a similar hum on lower brightness settings.

BENQ FP24WZ: low pitched whine from 0 brightness to 25 brightness, high pitched whine starts at 25 brightness and ends at 75 brightness.It's a shame I have to turn the brightness up so high just to make my screen silent. Why does it even make noise? Isn't there some cap I can glue, some hole I can plug? Seriously, I calibrated my screen, but now I have to sacrifice image fidelity for silence. Sure, I'll do it, but it makes me one sad panda.

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